20855505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126397}}^1$

素因数の和:126416

約数の個数: 16

約数和(自身を含む): 36402624

約数和(自身を除く): 15547119

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126397, 379191, 631985, 1390367, 1895955, 4171101, 6951835, 20855505]

約数ペア:

[(1, 20855505), (3, 6951835), (5, 4171101), (11, 1895955), (15, 1390367), (33, 631985), (55, 379191), (165, 126397)]